html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video
	margin 0
	padding 0
	border 0
	font-size 100%
	font inherit
	vertical-align baseline
	text-decoration none
	-webkit-tap-highlight-color transparent

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section
	display block

html, body
	line-height 1
  font-family 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial, sans-serif, 'Droid Sans Fallback'
  user-select none
  scroll-behavior smooth

ol, ul
	list-style none

blockquote, q
	quotes none

blockquote:before, blockquote:after,
q:before, q:after
	content ''
	content none

table
	border-collapse collapse
	border-spacing 0